678355670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{21379}}^1$

素因数の和:21572

約数の個数: 32

約数和(自身を含む): 1293062400

約数和(自身を除く): 614706730

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 835, 1670, 3173, 6346, 15865, 21379, 31730, 42758, 106895, 213790, 406201, 812402, 2031005, 3570293, 4062010, 7140586, 17851465, 35702930, 67835567, 135671134, 339177835, 678355670]

約数ペア:

[(1, 678355670), (2, 339177835), (5, 135671134), (10, 67835567), (19, 35702930), (38, 17851465), (95, 7140586), (167, 4062010), (190, 3570293), (334, 2031005), (835, 812402), (1670, 406201), (3173, 213790), (6346, 106895), (15865, 42758), (21379, 31730)]